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Hunsaker mon-jet tube ventilation: A 15-year experience

Authors

  • Amanda Hu MD, FRCSC,

    1. Division of Laryngology, Department of Otolaryngology–Head and Neck Surgery, University of Washington Medical Center, Seattle, Washington, U.S.A.
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  • Philip A. Weissbrod MD,

    1. Division of Otolaryngology, Department of Surgery, University of California–San Diego, San Diego, California, U.S.A.
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  • Nicole C. Maronian MD,

    1. Department of Otolaryngology–Head and Neck Surgery, University Hospitals Case Medical Center, Cleveland, Ohio, U.S.A.
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  • Jennifer Hsia MD,

    1. Division of Laryngology, Department of Otolaryngology–Head and Neck Surgery, University of Washington Medical Center, Seattle, Washington, U.S.A.
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  • Joanna M. Davies MBBS, FRCA,

    1. Department of Anesthesiology and Pain Medicine, University of Washington Medical Center, Seattle, Washington, U.S.A.
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  • Gouri K. Sivarajan MBBS,

    1. Department of Anesthesiology and Pain Medicine, University of Washington Medical Center, Seattle, Washington, U.S.A.
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  • Allen D. Hillel MD

    Corresponding author
    1. Division of Laryngology, Department of Otolaryngology–Head and Neck Surgery, University of Washington Medical Center, Seattle, Washington, U.S.A.
    • Professor, Laryngology, Otolaryngology– Head and Neck Surgery, University of Washington Medical Center, 1959 NE Pacific Street, Box 356515, Seattle, WA 98195
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  • Presented as a poster at the 133rd Annual Meeting of the American Laryngological Association (ALA) Combined Otolaryngology Spring Meetings, San Diego, California, U.S.A., April 18–22, 2012.

  • The authors have no funding, financial relationships, or conflicts of interest to disclose.

Abstract

Objective/Hypothesis:

The Hunsaker Mon-Jet tube (HMJT) (Xomed, Jacksonville, FL) has been used effectively for subglottic ventilation. We previously reported a series of 552 patients over a 10-year period with no major complications. This is a continuation of that series with an additional 5 years of cases.

Study Design:

Retrospective consecutive case series.

Methods:

Patients who were ventilated with the HMJT for microlaryngeal surgery at the University of Washington Medical Center over a 15-year period (1995–2010) were identified from the Voice Disorders database. Charts were reviewed for demographic data, laryngeal diagnosis, and anesthetic parameters. Main outcome measure was the rate of complications.

Results:

Fifty-seven complications occurred in 49 cases out of 839 cases (5.8% complication rate). In descending order, the complications were hypoxia (SpO2 <90%, n = 30, 3.6%), hypercarbia (end tidal CO2 of >60 mm Hg, n = 17, 2.0%), airway obstruction (n = 4, 0.5%), barotrauma (n = 2, 0.2%), seeding of blood into trachea (n = 2, 0.2%), submucosal injection of air (n = 1, 0.1%), and mucosal damage (n = 1, 0.1%). Factors associated with complications included high body mass index (P = .04), American Society of Anesthesiology class III or IV (P = .01), history of heart disease (P = .02), history of previous laryngeal surgery (P = .02), longer duration of case (P = .006), and laser use (P = .005).

Conclusions:

Although subglottic ventilation via an HMJT is a safe alternative to traditional endotracheal intubation in an appropriately selected population, practitioners should remain vigilant about the known complications. Laryngoscope, 2012

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